.div_one {
  background-image: url("https://cdn8.axureshop.com/demo2024/1877666/images/%E6%B4%BB%E5%8A%A8%E8%AF%A6%E6%83%85%E9%A1%B5/u8200.png");
  width: 100vw;
  height: 100vh;
  background-size: cover;
  position: relative;
}
